EP2222503A2 - Rear seat for automobile and method for making a metal sheet to be attached to the rear surface of the back of said seat - Google Patents

Rear seat for automobile and method for making a metal sheet to be attached to the rear surface of the back of said seat

Info

Publication number
EP2222503A2
EP2222503A2 EP08854608A EP08854608A EP2222503A2 EP 2222503 A2 EP2222503 A2 EP 2222503A2 EP 08854608 A EP08854608 A EP 08854608A EP 08854608 A EP08854608 A EP 08854608A EP 2222503 A2 EP2222503 A2 EP 2222503A2
Authority
EP
European Patent Office
Prior art keywords
sheet
elements
cut
rear seat
seat according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP08854608A
Other languages
German (de)
French (fr)
Other versions
EP2222503B1 (en
Inventor
Patrick Duvallet
Franck Lossie
Marc Kiers
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Renault SAS
Original Assignee
Renault SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Renault SAS filed Critical Renault SAS
Publication of EP2222503A2 publication Critical patent/EP2222503A2/en
Application granted granted Critical
Publication of EP2222503B1 publication Critical patent/EP2222503B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/68—Seat frames
    • B60N2/686—Panel like structures

Definitions

  • the present invention relates to a rear seat of a motor vehicle comprising a backrest whose rear face is adjacent to the baggage compartment, this rear face being constituted by a sheet fixed to the frame of the backrest.
  • the invention also relates to a method of manufacturing a metal sheet intended to be fixed on the rear face of a backrest of a rear seat of a motor vehicle.
  • the rear seat includes a backrest that can pivot forwardly to release an opening communicating with the luggage compartment, thereby increasing the length of the space available to load the car. rear of the vehicle.
  • the sheet attached to the back of the backrest is intended to strengthen the back of the backrest to resist the impact of objects in the rear compartment, especially in case of sudden braking of the vehicle.
  • This sheet must also support the load objects when the backrest is folded down on the bench.
  • this sheet must have sufficient stiffness.
  • this sheet is reinforced by ribs or stamped cavities.
  • the object of the present invention is to overcome this disadvantage, while allowing to reduce the manufacturing costs of said sheet.
  • this object is achieved, thanks to a rear seat of a motor vehicle comprising a backrest whose rear face is adjacent to the luggage compartment, this rear face being constituted by a sheet fixed to the frame of the backrest, characterized in that said sheet comprises along two opposite sides a series of elongated elements cut from the sheet and separated by empty spaces, the ends of the elongated elements being fixed to the backrest frame.
  • the elongated elements cut in each of the two sides of the sheet allow to lighten it, without reducing its impact resistance.
  • the backrest frame comprises an upper tubular member and a lower tubular member, said ends of the cut-out members in the sheet being welded to said tubular members.
  • said elongate elements cut in the sheet extend over the entire length of each of the two sides of the sheet.
  • said cut elements all have identical shape and dimensions and the empty spaces between said elements have a shape and dimensions identical to those of said cut elements, but are inverted with respect to these elements. Thanks to this feature, the manufacture of the sheet of the bench according to the invention can be performed in a very economical manner, without falling sheet metal, thanks to a method in which said sheet is cut on a continuous strip of sheet metal, so that each cut made transversely to the length of the sheet metal strip simultaneously produces a series of elongated elements for a first sheet and the series of elongate elements for a second sheet.
  • said cut elements have the shape of elongate triangles whose apex is directed outwards. According to another feature of the invention, the length of said cut elements represents 10 to 60% of the width of the sheet
  • said cut elements each comprise along their two lateral edges, a stamped edge to increase the stiffness of said elements.
  • each cut element comprises a rectilinear central portion bordered on each side by a stamped portion having a first portion folded substantially at right angles connected to a second portion folded substantially at right angles to the first part.
  • This stamped part can be performed in a single cutting and stamping operation on a continuous sheet metal strip.
  • FIG. 1 is a front view of a rear seat of a motor vehicle, the padded portion of the backrest was removed to show the fixed plate on the rear face of the backrest
  • FIG. 2 shows two sheets cut from a sheet metal strip intended to equip the rear face of two rear seat backs
  • FIG. 3 is an enlarged view of the detail A of FIG. 2
  • Figure 4 is a sectional view along the plane IV-IV of Figure 3
  • Figure 5 is a plan view of a continuous strip of sheet metal in which several sheets have been cut.
  • Figure 1 shows a rear seat of a motor vehicle comprising a backrest 1 whose rear face is adjacent to the luggage compartment.
  • This rear face is constituted by a sheet 2 fixed to the frame 3 of the folder.
  • the sheet 2 comprises, along two opposite sides, a series of elongated elements 4 cut in the sheet metal and separated by empty spaces 5, the ends 4a of the elongated elements
  • the elongated elements 4 being fixed to the frame 3 of the backrest 1.
  • the elongated elements 4 are located on the opposite sides of the sheet extending in the direction of the length of the sheet.
  • the frame 3 of the backrest 1 comprises an upper tubular element 3a and a lower tubular element 3b, said ends 4a of the cut elements 4 in the sheet 2 being welded to the tubular elements 3a and 3b.
  • the elongate elements 4 cut in the sheet 2 extend over the entire length of each of the two sides of the sheet 2.
  • the cut elements 4 all have identical shapes and dimensions and the voids 5 between the elements 4 have a shape and dimensions identical to those of the cut elements 4, but are reversed with respect to them.
  • the cut elements 4 have the shape of elongated triangles whose top 4a is directed outwards.
  • the length of the cut elements 4 represents 10 to 60% of the width of the sheet 2, measured in the direction of the height of the backrest 1.
  • Figures 3 and 4 show that the cut elements 4 each comprise along their two side edges, a border 4b, 4c stamped to increase the stiffness of the elements.
  • each cut element 4 comprises a rectilinear central portion 4 lined. on each side by a stamped portion having a first portion 4b folded at right angles connected to a second portion 4c folded at right angles to the first portion 4b.
  • To manufacture the sheet 4 it can be cut (see Figure 5) on a continuous sheet of metal strip 7, so that each cut 5 made transversely to the length of the sheet metal strip 7 simultaneously produces a series of elongated elements 4 for a first sheet and the series of elongated elements 4 for a second sheet.
  • a stamping can be performed to create along the two longitudinal edges of each elongate element 4, the stamped edge 4b, 4c to increase the stiffness of said elements.
  • the invention as described above has the following main advantages: the empty spaces 5 made between the elongate elements cut in the sheet 2 allow to lighten it, the sheet 2 nevertheless has sufficient resistance to the impact of the objects contained in the luggage compartment, thanks to the stamped edge 4b, 4c which borders the cut elements 4, the shape of the cut elements 4 makes it possible to produce, in a continuous sheet metal strip, a succession of identical sheets 2, without falling sheet, which makes their manufacture economical and particularly well adapted to mass production. the invention thus makes it possible to achieve a saving in mass of approximately 30% with respect to a sheet metal in which holes have been cut in order to lighten the sheet.

Abstract

The invention relates to a rear seat for an automobile, that includes a back (1) having a rear face adjacent to the luggage compartment, said rear face including a metal sheet (2) attached to the frame (3) of the back (1), characterised in that said metal sheet (2) includes, along two opposite sides, a series of elongated members (4) cut in the metal sheet (2) and separated by empty spaces (5), the ends of the elongated members being attached to the frame (3) of the back (1).

Description

Banquette arrière de véhicule automobile et procédé de fabrication d'une tôle destinée à être fixée sur la face arrière du dossier d'une telle banquette. Rear bench seat of a motor vehicle and method of manufacturing a metal sheet intended to be fixed on the rear face of the back of such a seat.
La présente invention concerne une banquette arrière de véhicule automobile comprenant un dossier dont la face arrière est adjacente au compartiment des bagages, cette face arrière étant constituée par une tôle fixée à l'armature du dossier.The present invention relates to a rear seat of a motor vehicle comprising a backrest whose rear face is adjacent to the baggage compartment, this rear face being constituted by a sheet fixed to the frame of the backrest.
L'invention vise également un procédé de fabrication d'une tôle destinée à être fixée sur la face arrière d'un dossier d'une banquette arrière de véhicule automobile.The invention also relates to a method of manufacturing a metal sheet intended to be fixed on the rear face of a backrest of a rear seat of a motor vehicle.
Dans le cas de nombreux véhicules automobiles, la banquette arrière comprend un dossier pouvant pivoter vers l'avant de manière à libérer une ouverture communiquant avec le compartiment des bagages, ce qui permet d'augmenter la longueur de l'espace disponible pour charger l'arrière du véhicule.In the case of many motor vehicles, the rear seat includes a backrest that can pivot forwardly to release an opening communicating with the luggage compartment, thereby increasing the length of the space available to load the car. rear of the vehicle.
La tôle fixée à l'arrière du dossier a pour but de renforcer la face arrière du dossier pour résister à l'impact des objets contenus dans le compartiment arrière, notamment en cas de freinage brutal du véhicule.The sheet attached to the back of the backrest is intended to strengthen the back of the backrest to resist the impact of objects in the rear compartment, especially in case of sudden braking of the vehicle.
Cette tôle doit également supporter la charge des objets lorsque le dossier est rabattu sur la banquette.This sheet must also support the load objects when the backrest is folded down on the bench.
A cet effet, cette tôle doit présenter une raideur suffisante. Dans les réalisations connues, cette tôle est renforcée par des nervures ou des cavités embouties.For this purpose, this sheet must have sufficient stiffness. In known embodiments, this sheet is reinforced by ribs or stamped cavities.
Celles-ci augmentent la surface développée de la tôle et donc augmentent la masse de cette tôle.These increase the developed surface of the sheet and therefore increase the mass of this sheet.
Le but de la présente invention est de remédier à cet inconvénient, tout en permettant de diminuer les coûts de fabrication de ladite tôle.The object of the present invention is to overcome this disadvantage, while allowing to reduce the manufacturing costs of said sheet.
Suivant l'invention, ce but est atteint, grâce à une banquette arrière de véhicule automobile comprenant un dossier dont la face arrière est adjacente au compartiment des bagages, cette face arrière étant constituée par une tôle fixée à l'armature du dossier, caractérisée en ce que ladite tôle comprend le long de deux côtés opposés une série d'éléments allongés découpés dans la tôle et séparés par des espaces vides, les extrémités des éléments allongés étant fixées à l'armature du dossier. Les éléments allongés découpés dans chacun des deux côtés de la tôle, permettent d'alléger celle-ci, sans diminuer sa résistance aux impacts.According to the invention, this object is achieved, thanks to a rear seat of a motor vehicle comprising a backrest whose rear face is adjacent to the luggage compartment, this rear face being constituted by a sheet fixed to the frame of the backrest, characterized in that said sheet comprises along two opposite sides a series of elongated elements cut from the sheet and separated by empty spaces, the ends of the elongated elements being fixed to the backrest frame. The elongated elements cut in each of the two sides of the sheet, allow to lighten it, without reducing its impact resistance.
Dans un mode de réalisation, l'armature du dossier comprend un élément tubulaire supérieur et un élément tubulaire inférieur, lesdites extrémités des éléments découpés dans la tôle étant soudées auxdits éléments tubulaires.In one embodiment, the backrest frame comprises an upper tubular member and a lower tubular member, said ends of the cut-out members in the sheet being welded to said tubular members.
De préférence, lesdits éléments allongés découpés dans la tôle s'étendent sur toute la longueur de chacun des deux côtés de la tôle. Dans une réalisation particulièrement avantageuse de l'invention lesdits éléments découpés ont tous une forme et des dimensions identiques et les espaces vides compris entre lesdits éléments ont une forme et des dimensions identiques à ceux desdits éléments découpés, mais sont inversés par rapport à ces derniers. Grâce à cette particularité, la fabrication de la tôle de la banquette selon l'invention peut être réalisée d'une manière très économique, sans chutes de tôle, grâce à un procédé dans lequel ladite tôle est découpée sur une bande de tôle continue, de façon que chaque découpe réalisée transversalement à la longueur de la bande de tôle réalise simultanément une série d'éléments allongés pour une première tôle et la série d'éléments allongés pour une seconde tôle.Preferably, said elongate elements cut in the sheet extend over the entire length of each of the two sides of the sheet. In a particularly advantageous embodiment of the invention, said cut elements all have identical shape and dimensions and the empty spaces between said elements have a shape and dimensions identical to those of said cut elements, but are inverted with respect to these elements. Thanks to this feature, the manufacture of the sheet of the bench according to the invention can be performed in a very economical manner, without falling sheet metal, thanks to a method in which said sheet is cut on a continuous strip of sheet metal, so that each cut made transversely to the length of the sheet metal strip simultaneously produces a series of elongated elements for a first sheet and the series of elongate elements for a second sheet.
Dans une version préférée de l'invention, lesdits éléments découpés ont la forme de triangles allongés dont le sommet est dirigé vers l'extérieur. Selon une autre particularité de l'invention, la longueur desdits éléments découpés représente 10 à 60% de la largeur de la tôleIn a preferred version of the invention, said cut elements have the shape of elongate triangles whose apex is directed outwards. According to another feature of the invention, the length of said cut elements represents 10 to 60% of the width of the sheet
Selon une autre particularité avantageuse de l'invention, lesdits éléments découpés comportent chacun le long de leurs deux bords latéraux, une bordure emboutie pour augmenter la raideur desdits éléments.According to another advantageous feature of the invention, said cut elements each comprise along their two lateral edges, a stamped edge to increase the stiffness of said elements.
Dans ce mode de réalisation, la section transversale de chaque élément découpé comprend une partie centrale rectiligne bordée de chaque côté par une partie emboutie comportant une première partie pliée sensiblement à angle droit reliée à une seconde partie pliée sensiblement à angle droit par rapport à la première partie.In this embodiment, the cross section of each cut element comprises a rectilinear central portion bordered on each side by a stamped portion having a first portion folded substantially at right angles connected to a second portion folded substantially at right angles to the first part.
Cette partie emboutie peut être réalisée en une seule opération de découpage et d'emboutissage sur une bande de tôle continue. D'autres particularités et avantages de l'invention apparaîtront encore tout au long de la description ci-après.This stamped part can be performed in a single cutting and stamping operation on a continuous sheet metal strip. Other features and advantages of the invention will become apparent throughout the description below.
L'invention est maintenant décrite en référence aux dessins annexés, non limitatifs, dans lesquels : - la figure 1 est une vue de face d'une banquette arrière de véhicule automobile, dont la partie rembourrée du dossier a été enlevée pour montrer la tôle fixée sur la face arrière du dossier, la figure 2 montre deux tôles découpées dans une bande de tôle, destinées à équiper la face arrière de deux dossiers de banquette arrière, la figure 3 est une vue à échelle agrandie du détail A de la figure 2, la figure 4 est une vue en coupe suivant le plan IV-IV de la figure 3, la figure 5 est une vue en plan d'une bande continue de tôle dans laquelle plusieurs tôles ont été découpées. La figure 1 représente une banquette arrière de véhicule automobile comprenant un dossier 1 dont la face arrière est adjacente au compartiment des bagages.The invention is now described with reference to the accompanying drawings, in which: - Figure 1 is a front view of a rear seat of a motor vehicle, the padded portion of the backrest was removed to show the fixed plate on the rear face of the backrest, FIG. 2 shows two sheets cut from a sheet metal strip intended to equip the rear face of two rear seat backs, FIG. 3 is an enlarged view of the detail A of FIG. 2, Figure 4 is a sectional view along the plane IV-IV of Figure 3, Figure 5 is a plan view of a continuous strip of sheet metal in which several sheets have been cut. Figure 1 shows a rear seat of a motor vehicle comprising a backrest 1 whose rear face is adjacent to the luggage compartment.
Cette face arrière est constituée par une tôle 2 fixée à l'armature 3 du dossier.This rear face is constituted by a sheet 2 fixed to the frame 3 of the folder.
Conformément à l'invention, la tôle 2 comprend le long de deux côtés opposés une série d'éléments allongés 4 découpés dans la tôle et séparés par des espaces vides 5, les extrémités 4a des éléments allongésAccording to the invention, the sheet 2 comprises, along two opposite sides, a series of elongated elements 4 cut in the sheet metal and separated by empty spaces 5, the ends 4a of the elongated elements
4 étant fixées à l'armature 3 du dossier 1. De préférence, les éléments allongés 4 sont situés sur les côtés opposés de la tôle s 'étendant suivant le sens de la longueur de la tôle.4 being fixed to the frame 3 of the backrest 1. Preferably, the elongated elements 4 are located on the opposite sides of the sheet extending in the direction of the length of the sheet.
Dans l'exemple de la figure 1 , l'armature 3 du dossier 1 comprend un élément tubulaire supérieur 3a et un élément tubulaire inférieur 3b, lesdites extrémités 4a des éléments découpés 4 dans la tôle 2 étant soudées aux éléments tubulaires 3a et 3b.In the example of Figure 1, the frame 3 of the backrest 1 comprises an upper tubular element 3a and a lower tubular element 3b, said ends 4a of the cut elements 4 in the sheet 2 being welded to the tubular elements 3a and 3b.
Par ailleurs, les éléments allongés 4 découpés dans la tôle 2 s'étendent sur toute la longueur de chacun des deux côtés de la tôle 2. De plus dans l'exemple représenté les éléments découpés 4 ont tous une forme et des dimensions identiques et les espaces vides 5 compris entre les éléments 4 ont une forme et des dimensions identiques à ceux des éléments découpés 4, mais sont inversés par rapport à ces derniers.Furthermore, the elongate elements 4 cut in the sheet 2 extend over the entire length of each of the two sides of the sheet 2. In addition, in the example shown, the cut elements 4 all have identical shapes and dimensions and the voids 5 between the elements 4 have a shape and dimensions identical to those of the cut elements 4, but are reversed with respect to them.
En outre, dans cet exemple, les éléments découpés 4 ont la forme de triangles allongés dont le sommet 4a est dirigé vers l'extérieur. De préférence, la longueur des éléments découpés 4 représente 10 à 60% de la largeur de la tôle 2, mesurée dans le sens de la hauteur du dossier 1.In addition, in this example, the cut elements 4 have the shape of elongated triangles whose top 4a is directed outwards. Preferably, the length of the cut elements 4 represents 10 to 60% of the width of the sheet 2, measured in the direction of the height of the backrest 1.
Par ailleurs, les figures 3 et 4 montrent que les éléments découpés 4 comportent chacun le long de leurs deux bords latéraux, une bordure 4b, 4c emboutie pour augmenter la raideur des élémentsFurthermore, Figures 3 and 4 show that the cut elements 4 each comprise along their two side edges, a border 4b, 4c stamped to increase the stiffness of the elements.
4.4.
Sur ces figures 3 et 4 la ligne 6 représente la découpe réalisée sur une bande de tôle pour obtenir les deux tôles 2 représentées sur la figure 2. La figure 4 montre que la section transversale de chaque élément découpé 4 comprend une partie centrale rectiligne 4 bordée de chaque côté par une partie emboutie comportant une première partie 4b pliée à angle droit reliée à une seconde partie 4c pliée à angle droit par rapport à la première partie 4b. Pour fabriquer la tôle 4, celle-ci peut être découpée (voir figure 5) sur une bande de tôle continue 7, de façon que chaque découpe 5 réalisée transversalement à la longueur de la bande de tôle 7 réalise simultanément une série d'éléments allongés 4 pour une première tôle et la série d'éléments allongés 4 pour une seconde tôle. Lors de chaque opération de découpe, on peut effectuer un emboutissage pour créer le long des deux bords longitudinaux de chaque élément allongé 4, la bordure emboutie 4b, 4c pour augmenter la raideur desdits éléments.In these figures 3 and 4 line 6 represents the cut made on a sheet metal strip to obtain the two sheets 2 shown in FIG. 2. FIG. 4 shows that the cross section of each cut element 4 comprises a rectilinear central portion 4 lined. on each side by a stamped portion having a first portion 4b folded at right angles connected to a second portion 4c folded at right angles to the first portion 4b. To manufacture the sheet 4, it can be cut (see Figure 5) on a continuous sheet of metal strip 7, so that each cut 5 made transversely to the length of the sheet metal strip 7 simultaneously produces a series of elongated elements 4 for a first sheet and the series of elongated elements 4 for a second sheet. At each cutting operation, a stamping can be performed to create along the two longitudinal edges of each elongate element 4, the stamped edge 4b, 4c to increase the stiffness of said elements.
L'invention telle que décrite ci-dessus présente les principaux avantages suivants : les espaces vides 5 réalisés entre les éléments allongés découpés dans la tôle 2 permettent d'alléger celle-ci, la tôle 2 présente néanmoins une résistance suffisante à l'impact des objets contenus dans le compartiment à bagages, grâce à la bordure emboutie 4b, 4c qui borde les éléments découpés 4, la forme des éléments découpés 4 permet de réaliser dans une bande de tôle continue, une succession de tôles 2 identiques, sans chute de tôle, ce qui rend leur fabrication économique et particulièrement bien adaptée à une production en grande série. l'invention permet ainsi de réaliser une économie de masse d'environ 30% par rapport à une tôle dans laquelle des trous ont été découpés afin d'alléger la tôle.The invention as described above has the following main advantages: the empty spaces 5 made between the elongate elements cut in the sheet 2 allow to lighten it, the sheet 2 nevertheless has sufficient resistance to the impact of the objects contained in the luggage compartment, thanks to the stamped edge 4b, 4c which borders the cut elements 4, the shape of the cut elements 4 makes it possible to produce, in a continuous sheet metal strip, a succession of identical sheets 2, without falling sheet, which makes their manufacture economical and particularly well adapted to mass production. the invention thus makes it possible to achieve a saving in mass of approximately 30% with respect to a sheet metal in which holes have been cut in order to lighten the sheet.
10 10

Claims

REVENDICATIONS
1. Banquette arrière de véhicule automobile comprenant un dossier (1) dont la face arrière est adjacente au compartiment des bagages, cette face arrière étant constituée par une tôle (2) fixée à l'armature (3) du dossier (1), caractérisée en ce que ladite tôle (2) comprend le long de deux côtés opposés une série d'éléments allongés (4) découpés dans la tôle (2) et séparés par des espaces vides (5), les extrémités des éléments allongés étant fixées à l'armature (3) du dossier1. Rear seat of a motor vehicle comprising a backrest (1) whose rear face is adjacent to the luggage compartment, this rear face consisting of a sheet (2) fixed to the frame (3) of the backrest (1), characterized in that said sheet (2) comprises, along two opposite sides, a series of elongated elements (4) cut from the sheet (2) and separated by empty spaces (5), the ends of the elongated elements being fixed to the frame (3) of the folder
(I)- 2. Banquette arrière selon la revendication 1 , caractérisée en ce que l'armature (3) du dossier (1) comprend un élément tubulaire supérieur (3a) et un élément tubulaire inférieur (3b), lesdites extrémités des éléments découpés (4) dans la tôle (2) étant soudées auxdits éléments tubulaires (3a, 3b). (I) - 2. Rear seat according to claim 1, characterized in that the armature (3) of the backrest (1) comprises an upper tubular element (3a) and a lower tubular element (3b), said ends of the cut elements (4) in the sheet (2) being welded to said tubular elements (3a, 3b).
3. Banquette arrière selon l'une des revendications 1 ou 2, caractérisée en ce que lesdits éléments allongés (4) découpés dans la tôle (2) s'étendent sur toute la longueur de chacun des deux côtés de la tôle (2).3. Rear bench seat according to one of claims 1 or 2, characterized in that said elongated elements (4) cut in the sheet (2) extend over the entire length of each of the two sides of the sheet (2).
4. Banquette arrière selon l'une des revendications 1 à 3, caractérisée en ce que lesdits éléments découpés (4) ont tous une forme et des dimensions identiques et les espaces vides (5) compris entre lesdits éléments ont une forme et des dimensions identiques à ceux desdits éléments découpés (4), mais sont inversés par rapport à ces derniers. 4. Rear seat according to one of claims 1 to 3, characterized in that said cut elements (4) all have a shape and dimensions identical and the voids (5) between said elements have a shape and dimensions identical to to those of said cut elements (4), but are inverted with respect to them.
5. Banquette arrière selon l'une des revendications 1 à 4, caractérisée en ce que lesdits éléments découpés (4) ont la forme de triangles allongés dont le sommet est dirigé vers l'extérieur.5. Rear seat according to one of claims 1 to 4, characterized in that said cut elements (4) have the shape of elongate triangles whose apex is directed outwards.
6. Banquette arrière selon l'une des revendications 1 à 5, caractérisée en ce que la longueur des éléments découpés (4) représente 10 à 60% de la largeur de la tôle (2).6. Rear seat according to one of claims 1 to 5, characterized in that the length of the cut elements (4) is 10 to 60% of the width of the sheet (2).
7. Banquette arrière selon l'une des revendications 1 à 6, caractérisée en ce que lesdits éléments découpés (4) comportent chacun le long de leurs deux bords latéraux, une bordure emboutie (4b, 4c) pour augmenter la raideur desdits éléments (4). 7. Rear seat according to one of claims 1 to 6, characterized in that said cut elements (4) each comprise along their two side edges, a stamped edge (4b, 4c) to increase the stiffness of said elements (4). ).
8. Banquette arrière selon la revendication 7, caractérisée en ce que la section transversale de chaque élément découpé (4) comprend une partie centrale rectiligne bordée de chaque côté par une partie emboutie comportant une première partie (4b) pliée sensiblement à angle droit reliée à une seconde partie (4c) pliée sensiblement à angle droit par rapport à la première partie (4b).8. Rear seat according to claim 7, characterized in that the cross section of each cut element (4) comprises a rectilinear central portion lined on each side by a portion stamping having a first portion (4b) bent substantially at right angles to a second portion (4c) folded substantially at right angles to the first portion (4b).
9. Procédé de fabrication d'une tôle destinée à être fixée sur la face arrière d'un dossier (1) d'une banquette arrière selon l'une des revendications 4 à 8, caractérisé en ce que ladite tôle (2) est découpée sur une bande de tôle continue (7), de façon que chaque découpe réalisée transversalement à la longueur de la bande de tôle (7) réalise simultanément une série d'éléments allongés (4) pour une première tôle et la série d'éléments allongés (4) pour une seconde tôle.9. A method of manufacturing a sheet to be fixed on the rear face of a backrest (1) of a rear seat according to one of claims 4 to 8, characterized in that said sheet (2) is cut on a continuous sheet metal strip (7), so that each cut made transversely to the length of the sheet metal strip (7) simultaneously produces a series of elongated elements (4) for a first sheet and the series of elongated elements (4) for a second sheet.
10. Procédé de fabrication selon la revendication 9, caractérisé en ce que lors de chaque opération de découpe, on effectue un emboutissage pour créer le long des deux bords longitudinaux de chaque élément allongé (4), une bordure emboutie (4b, 4c) pour augmenter la raideur desdits éléments (4). 10. Manufacturing process according to claim 9, characterized in that during each cutting operation, a stamping is performed to create along the two longitudinal edges of each elongated element (4), a stamped edge (4b, 4c) for increase the stiffness of said elements (4).
EP08854608A 2007-11-23 2008-11-05 Rear seat for automobile and method for making a metal sheet to be attached to the rear surface of the back of said seat Not-in-force EP2222503B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0708208A FR2924073B1 (en) 2007-11-23 2007-11-23 REAR SEAT OF MOTOR VEHICLE AND METHOD OF MANUFACTURING A SHEET TO BE FIXED ON THE BACK SIDE OF THE BACKREST OF SUCH A BENCH.
PCT/FR2008/051999 WO2009068786A2 (en) 2007-11-23 2008-11-05 Rear seat for automobile and method for making a metal sheet to be attached to the rear surface of the back of said seat

Publications (2)

Publication Number Publication Date
EP2222503A2 true EP2222503A2 (en) 2010-09-01
EP2222503B1 EP2222503B1 (en) 2012-04-18

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP08854608A Not-in-force EP2222503B1 (en) 2007-11-23 2008-11-05 Rear seat for automobile and method for making a metal sheet to be attached to the rear surface of the back of said seat

Country Status (4)

Country Link
EP (1) EP2222503B1 (en)
AT (1) ATE553952T1 (en)
FR (1) FR2924073B1 (en)
WO (1) WO2009068786A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012214039A1 (en) 2012-05-29 2013-12-05 Keiper Gmbh & Co. Kg Backrest part for a seat, in particular a vehicle seat

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58168252U (en) * 1982-05-06 1983-11-09 トヨタ自動車株式会社 car rear seat
DE4402864C2 (en) * 1994-01-31 1997-08-21 Keiper Recaro Gmbh Co Backrest cushion for rear seats of motor vehicles
JP4058276B2 (en) * 2002-02-20 2008-03-05 デルタ工業株式会社 Frame structure for vehicle seat back
DE102006000850B4 (en) * 2006-01-05 2011-03-31 Keiper Gmbh & Co. Kg Backrest cushion support for a vehicle seat

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2009068786A3 *

Also Published As

Publication number Publication date
WO2009068786A3 (en) 2009-07-23
FR2924073A1 (en) 2009-05-29
ATE553952T1 (en) 2012-05-15
EP2222503B1 (en) 2012-04-18
FR2924073B1 (en) 2010-02-26
WO2009068786A2 (en) 2009-06-04

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